Portable electric piano



FIG. 1 is a top, front and right side perspective view of a Portable Electric Piano showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a right side elevational view thereof, a left side being a mirror image. 

The ornamental design for a portable electric piano, as shown and described. 